Hive entrance door with fine manufacturing technology and is suitable for high bar urticaria, and contact urticaria Bee box door is made of stainless steel material safe, strong and durable for long life Stainless steel honeycomb door is rotating disc used to control access to entrance to apiaries Hive equipment Vent with different hole sizes and adjustable design can meet your different needs Bee entrance disc door is designed to adjust the size of the tap hole in the hive and protect the hive from mouse attack in autumn and in winter